Abstract: Column cellular sandwich composite material is regarded as a new energy absorption materials based on its excellent performance in energy absorption, high strength, and high stiffness. To understand its advantages of energy absorption comprehensively, the basic concept of cellular sandwich composite materials is introduced firstly. The energy absorption mechanism and energy absorption evaluation method of column cellular sandwich composite are expounded, and the design of different geometric configurations of the column cell unit at home and abroad is described secondly. Then, the paper analyzes the enhancement mechanism of co-lumn cell unit after filling with porous materials. The different processing technology of column cellular sandwich composite materials is summarized.The advantages and disadvantages of all kinds of processing technology are compared, and the improvement method is proposed. The paper ends with a prospect of column cellular sandwich composites.
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2018, Vol. 32 
